How many types oil using in transformer ? How many letars using in transformer..?

0 Answers   TATA,

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If current flows through conductor it produce magnetic field only.but if current flows through vaccum both magnetic & electrical field produce why ?

4 Answers   NTPC,

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how it can be decided what will be the rating of CT and PT to be used in LT or HT cables?

3 Answers  

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How to make two bulbs glow Alternatively?

2 Answers  

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How the electric train gets the supply of electricity? What is the return path of the current?

7 Answers   NTPC,

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What is the difference between voltage and emf ?

3 Answers   DRDO,

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what is the solution for meger test failed the MV cable?

1 Answers  

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for testing busbar (33kv) hi-pot .whether we can apply DC r not.and what is the test volt for that .explain

4 Answers   WGPSN,

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what are the breakdown voltage rating of mini- curcuit'transfarmer!

0 Answers  

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we use 3 phase supply for induction motor why not use two phase supply .

4 Answers   TLC,

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Please explain me about Relay curves and their sources to read ?

0 Answers  

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whats the differece between Exd and Exe

0 Answers   IFFCO, TN,

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